*SUPPORT*
IN: gazzer tufa dax OUT: PURPLE YELLOW
IN: kiki gazzer OUT: GREEN PURPLE
IN: gazzer blicket zup OUT: PURPLE BLUE BLUE
IN: dax zup OUT: YELLOW YELLOW
IN: gazzer OUT: PURPLE
IN: blicket tufa kiki zup OUT: BLUE GREEN GREEN
IN: gazzer tufa gazzer kiki zup OUT: PURPLE PURPLE GREEN GREEN
IN: gazzer tufa blicket blicket OUT: PURPLE BLUE BLUE
IN: dax tufa blicket dax tufa dax zup OUT: YELLOW BLUE YELLOW YELLOW YELLOW
IN: kiki zup OUT: GREEN GREEN
IN: blicket tufa dax dax OUT: BLUE YELLOW YELLOW
IN: blicket blicket blicket dax OUT: BLUE BLUE BLUE YELLOW
IN: dax tufa blicket OUT: YELLOW BLUE
IN: kiki OUT: GREEN

*QUERY*
IN: dax OUT: YELLOW
IN: gazzer tufa blicket zup OUT: PURPLE BLUE BLUE
IN: blicket zup OUT: BLUE BLUE
IN: dax tufa dax blicket OUT: YELLOW YELLOW BLUE
IN: dax gazzer OUT: YELLOW PURPLE
IN: gazzer zup OUT: PURPLE PURPLE
IN: gazzer tufa kiki tufa gazzer tufa dax zup OUT: PURPLE GREEN PURPLE YELLOW YELLOW
IN: blicket kiki zup OUT: BLUE GREEN GREEN
IN: blicket OUT: BLUE
IN: kiki dax wif blicket OUT: BLUE BLUE BLUE GREEN YELLOW GREEN YELLOW

*GRAMMAR*
gazzer -> PURPLE 
 blicket -> BLUE 
 dax -> YELLOW 
 kiki -> GREEN 
 x1 wif x2 -> [x2] [x2] [x2] [x1] [x1] 
 u1 tufa x1 -> [u1] [x1] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 